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1, 2, 5, 13, 39, 151, 783, 5167, 40575, 363391, 3629823, 39918847, 479005695, 6227028991, 87178307583, 1307674400767, 20922789953535, 355687428227071, 6402373705990143, 121645100409356287, 2432902008177688575, 51090942171711537151, 1124000727777611874303
(列表;图表;参考;听;历史;文本;内部格式)
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